<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<form th:fragment="Addvaluefragment" action="/usercreatetable/addvalue" method="post">
    <table  class="table table-striped card-text">
        <thead>
        <tr>
            <th th:each="etc:${session.edittablecolumn}">
            <!--<th>-->
                <input name="arr" class="mr-3 form-control">
            </th>
        </tr>
        </thead>
    </table>
    <button type="submit" class="btn btn-primary">
        <a href="/usercreatetable/edittable"></a>
        保存
    </button>
</form>
</html>